1 Samuel 8:7 "And the Lord told him [Samuel]: 'Listen to all that the people are saying to you; it is not you they have rejected, but they have rejected me as their king."
Obedience:
1 Samuel 13:14 "But now your kingship will not endure; the Lord has sought out a man after his own heart and appointed him leader of his people, because you have not kept the Lord's command."
1 Samuel 15:22 "But Samuel replied: 'Does the Lord delight in burnt offerings and sacrifices as much as in obeying the voice of the Lord? To obey is better than sacrifice, and to heed is better than the fat of rams."
Covenant:
While the term "covenant" does not appear in the passage, 1 Samuel 11:12-12:25 is an impassioned exhortation to the people by Samuel to keep their covenant with God.